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793f8ab62c
Add kernel patches for version 6.1. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
90 lines
2.7 KiB
Diff
90 lines
2.7 KiB
Diff
From 49d74639d19ec3ae9810a1d6ae6c0ff725c75881 Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Tue, 1 Feb 2022 12:20:20 +0000
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Subject: [PATCH] drm/panel: Add and initialise an orientation field to
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drm_panel
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Current usage of drm_connector_set_panel_orientation is from a panel's
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get_modes call. However if the panel orientation property doesn't
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exist on the connector at this point, then drm_mode_object triggers
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WARNs as the connector is already registered.
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Add an orientation variable to struct drm_panel and initialise it from
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drm_panel_init.
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panel_bridge_attach can then create the property before the connector
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is registered.
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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---
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drivers/gpu/drm/bridge/panel.c | 4 ++++
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drivers/gpu/drm/drm_panel.c | 15 ++++++++++-----
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include/drm/drm_panel.h | 8 ++++++++
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3 files changed, 22 insertions(+), 5 deletions(-)
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--- a/drivers/gpu/drm/bridge/panel.c
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+++ b/drivers/gpu/drm/bridge/panel.c
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@@ -81,6 +81,10 @@ static int panel_bridge_attach(struct dr
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return ret;
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}
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+ /* set up connector's "panel orientation" property */
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+ drm_connector_set_panel_orientation(&panel_bridge->connector,
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+ panel_bridge->panel->orientation);
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+
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drm_connector_attach_encoder(&panel_bridge->connector,
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bridge->encoder);
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--- a/drivers/gpu/drm/drm_panel.c
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+++ b/drivers/gpu/drm/drm_panel.c
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@@ -61,6 +61,9 @@ void drm_panel_init(struct drm_panel *pa
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panel->dev = dev;
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panel->funcs = funcs;
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panel->connector_type = connector_type;
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+
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+ panel->orientation = DRM_MODE_PANEL_ORIENTATION_UNKNOWN;
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+ of_drm_get_panel_orientation(dev->of_node, &panel->orientation);
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}
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EXPORT_SYMBOL(drm_panel_init);
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@@ -289,16 +292,18 @@ int of_drm_get_panel_orientation(const s
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if (ret < 0)
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return ret;
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- if (rotation == 0)
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+ if (rotation == 0) {
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*orientation = DRM_MODE_PANEL_ORIENTATION_NORMAL;
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- else if (rotation == 90)
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+ } else if (rotation == 90) {
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*orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP;
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- else if (rotation == 180)
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+ } else if (rotation == 180) {
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*orientation = DRM_MODE_PANEL_ORIENTATION_BOTTOM_UP;
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- else if (rotation == 270)
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+ } else if (rotation == 270) {
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*orientation = DRM_MODE_PANEL_ORIENTATION_LEFT_UP;
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- else
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+ } else {
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+ DRM_ERROR("%pOF: invalid orientation %d\n", np, ret);
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return -EINVAL;
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+ }
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return 0;
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}
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--- a/include/drm/drm_panel.h
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+++ b/include/drm/drm_panel.h
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@@ -183,6 +183,14 @@ struct drm_panel {
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int connector_type;
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/**
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+ * @orientation:
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+ *
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+ * Panel orientation at initialisation. This is used to initialise the
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+ * drm_connector property for panel orientation.
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+ */
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+ enum drm_panel_orientation orientation;
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+
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+ /**
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* @list:
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*
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* Panel entry in registry.
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